Question

In a field study on grass, variety of grass with viable pollen grains from its bisexual

flowers was placed on the healthy stigma of the same flower there was no fertilization.

At the same time similar pollen grains from another flower of the same variety was

placed on the stigma. The flower fertilized. Give scientific explanation for the above

with respect to it out breeding device.​

Answer 1

Answer:

some pollen grains or stigma might be spoiled one